<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>11 行内式js</title>
  <script>
    <!--内嵌式-->
  </script>
  <!--外联式-->
  <script type="text/javascript" src=""></script>
</head>
<body>
<!--/*行内式*/-->
<button onclick="">点击我</button>
</body>
</html>